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    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/EGVNXBHE5H3YX7MN5QC6DSLMOJEAJCKZ/?format=api",
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    "message_id": "[email protected]",
    "message_id_hash": "EGVNXBHE5H3YX7MN5QC6DSLMOJEAJCKZ",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/DPPCJ23UZIWYEMXWDVIO5KLSK5NQVWJT/?format=api",
    "sender": {
        "address": "DCFox (a) rwglaw.com",
        "mailman_id": "2b2adad2573e49ecb6641ab539c7d05c",
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    "sender_name": "D. Craig Fox",
    "subject": "[AMSAT-BB] Re: using TS2Kx on FS-3",
    "date": "2021-03-26T18:56:49Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/VEU4JJ6XDWO2H3RGSNTXNU4ETTETAIQO/?format=api",
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    "content": "Thank you Ryan, that was very informative.  The Signalink is connected to the  ACC2 port but it is SOP to turn off the radio’s speech processor when running digital modes. I have not heard good reports about using the internal TNC.  I will continue my homework with your explanation in mind.\r\n\r\nThanks again\r\n\r\n73, Craig\r\nN6RSX\r\n\r\nFrom: Ryan Butler <[email protected]>\r\nSent: Friday, March 26, 2021 7:30 AM\r\nTo: D. Craig Fox <[email protected]>\r\nCc: [email protected]\r\nSubject: Re: [AMSAT-BB] using TS2Kx on FS-3\r\n\r\nCraig,\r\n\r\nI want to preface that I do not own a TS-2000 and am not totally familiar with the specifics of it's operation.\r\n\r\n9600 baud FSK operation requires a whole different method of interfacing than what you describe above for normal 1200 baud packet and HF digital modes.  In the case of 1200 baud packet, you are sending two different audio tones to represent a 1 and a 0.  For the higher speed packet modes, you are not sending audio tones out the the radio, but shifting the frequency to specific values to represent a 1 and a 0.  To do this with a soundcard interface, you must bypass all the audio shaping characteristics of the 'microphone' input and have direct access to the modulator with nice flat response nearly all the way down to DC.\r\n\r\nIf you have audio transformers in the line, or are feeding it into a radio port that shapes the audio, it will not work very well.  The Signalink indicates it has 600 ohm outputs which might suggest audio transformers in it, and the ACC2 port in the TS-2000 manual indicates it only provides a microphone input.  This is probably distorting the transmit.\r\n\r\nThe same applies on the receive that you need clean raw 'discrimnator' audio that doesn't have any filtering or shaping of the audio that makes it sound pleasing.\r\n\r\nI'm not sure the TS-2000 supplies that either looking at the manual.\r\n\r\nI do see that even the non X versions of the TS-2000 may have an internal 9600 baud TNC which is accessible on the serial port on the back.  That internal TNC should be compatible with FS-3, so you may just need to change from the soundmodem to the internal TNC to get success.  If that is not an option, it may require modification of the radio to tap into the points discussed above.\r\n\r\nHopefully this points you in a good direction.\r\n\r\nRyan, NF0T\r\n\r\n\r\n\r\nOn Thu, Mar 25, 2021 at 9:08 PM D. Craig Fox <[email protected]<mailto:[email protected]>> wrote:\r\nIn spite of all of Christy KB6LTY’s generous assistance, I still am unable to digipeat through FS-3 using my TS-2000x, signalink, Soundmodem-hs, and UISS.  I have no difficulty dig’g over ISS and I routinely work SSB on all of the linear sats. Clearly operator error going on.\r\n\r\nIf you are using the same setup (or a TS2000 non-“x”), would you mind posting your relevant TS2000 menu settings.\r\n\r\nThank you in advance.\r\n\r\n73, Craig\r\nN6RSX\r\n\r\n\r\n\r\n\r\n\r\nNOTICE: This communication may contain privileged or other confidential information. If you are not the intended recipient of this communication, or an employee or agent responsible for delivering this communication to the intended recipient, please advise the sender by reply email and immediately delete the message and any attachments without copying or disclosing the contents. Thank you.\r\n\r\n-----------------------------------------------------------\r\n\r\nSent via AMSAT-BB(a)amsat.org<http://amsat.org>. AMSAT-NA makes this open forum available\r\nto all interested persons worldwide without requiring membership. Opinions expressed\r\nare solely those of the author, and do not reflect the official views of AMSAT-NA.\r\nAcceptable Use and Privacy Policies available at https://www.amsat.org/about-amsat/\r\n\r\nView archives of this mailing list at\r\nhttps://mailman.amsat.org/hyperkitty/list/[email protected]\r\nTo unsubscribe send an email to amsat-bb-leave(a)amsat.org<http://amsat.org>\r\nManage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org\r\n\r\n\r\nClick here<https://www.mailcontrol.com/sr/ZTFJZSFrZXXGX2PQPOmvUsk03K5IhN5dxbaPA8ioQRc3LjdGXPdPbEkJBnTS80OCWqD_BFOzlpEKIUtpuCToCg==> to report this email as spam.\r\n\n\n",
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